1,2,3,4,9,10,11,12-octaphenyl-5,8-diphosphonia-dispiro[4.2.4.2]tetradeca-1,3,9,11-tetraene; dibromide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 34667-32-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,6,6 and 7 respectively; the second part has 2 digits, 3 and 2 respectively. Calculate Digit Verification of CAS Registry Number 34667-32: (7*3)+(6*4)+(5*6)+(4*6)+(3*7)+(2*3)+(1*2)=128 128 % 10 = 8 So 34667-32-8 is a valid CAS Registry Number.